Patents for H01H 83 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current (5,042) |
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12/08/1998 | US5847908 Machine having current loss shutdown circuit with low resistance relay |
11/28/1998 | CA2238901A1 Circuit interrupteur with covered accessory case, adjustable under voltage relay, self-retaining collar and one-piece rail attachment |
11/26/1998 | WO1998053473A1 Kinematic system for actuating the movable contact of automatic electric breakers |
11/25/1998 | CN1199918A Overvoltage protective module |
11/24/1998 | US5841616 Module for use with a miniature circuit breaker |
11/18/1998 | CN2297814Y Three phase open-phase protection contactor |
11/17/1998 | US5836441 Circuit breaker accessory module actuators |
11/11/1998 | EP0877456A1 Surge arrester protector |
11/10/1998 | US5835323 Electrical connector with breaking current for leak |
11/10/1998 | US5834996 Electric switch having undervoltage tripping |
11/09/1998 | CA2236701A1 Overvoltage protective module |
11/04/1998 | EP0769199B1 Operation of residual current devices |
11/04/1998 | CN2296575Y High voltage live lock-up controller |
11/03/1998 | US5831509 Circuit breaker with sense bar to sense current from voltage drop across bimetal |
10/29/1998 | DE19717236A1 Electric switch apparatus for opening and closing electric contact |
10/28/1998 | CN2296086Y 电机保护器 Motor protection |
10/28/1998 | CN2296084Y Electric leakage protector |
10/28/1998 | CN2296074Y Knife switch with electronic protector for phase-off |
10/21/1998 | EP0769198B1 Electrically controlled tripping mechanism |
10/21/1998 | CN1196565A 漏电断路器 Leakage circuit breakers |
10/20/1998 | US5825602 Overcurrent trip device |
10/20/1998 | US5825273 Differential thermal tripping device with bimetallic strips |
10/07/1998 | EP0868736A2 Thermal triggering system |
10/07/1998 | EP0593688B1 Automatic miniature circuit breaker with z-axis assemblable trip mechanism |
10/07/1998 | CN2293916Y Open-phase automatic power-off AC contact device |
10/07/1998 | CN1195180A 电路断路器 Circuit breaker |
09/30/1998 | EP0706712B1 Ground fault module conductors and base therefor |
09/30/1998 | CN2293147Y Multifunctional phase- and amplitude-discriminating electric leakage protective device |
09/24/1998 | WO1998042001A1 Earth leakage circuit breaker |
09/16/1998 | EP0799516B1 Electrical circuit breaker |
09/15/1998 | US5808848 Digital circuit interrupter shunt trip accessory module |
09/09/1998 | EP0791178B1 Current transducers |
09/02/1998 | EP0862255A1 Disconnector for surge arrester |
09/01/1998 | US5801912 Circuit interrupting device |
08/26/1998 | EP0860927A1 Protection circuit arrangement for surge arrester |
08/26/1998 | EP0860918A1 Overvoltage arrester device |
08/19/1998 | EP0859395A2 Low voltage circuit breaker with optionally mounted measuring transducer |
08/13/1998 | WO1998035372A1 Modular accessory mechanical lockout mechanism |
08/13/1998 | CA2733821A1 Integrated protection system for electrical distribution |
08/12/1998 | EP0782761B1 Differential current protective switch with special core material |
08/11/1998 | US5793121 Low resistance current interrupter |
08/06/1998 | WO1998034260A1 Switching device with under-voltage auxiliary release |
07/30/1998 | WO1998033255A1 Reverse battery protecting device for the on-board electric network of a vehicle |
07/23/1998 | WO1998032144A1 Load disconnecting switch, in particular for the load circuit of a motor vehicle battery |
07/23/1998 | DE19702116A1 Schutzvorrichtung gegen Falschpolung im elektrischen Bordnetz eines Fahrzeuges Guard against wrong in the electrical system of a vehicle |
07/22/1998 | CN2286533Y Relay for anti-fraudulent-use of electricity |
07/21/1998 | US5784243 Industrial-rated circuit breaker for high level overcurrent protection |
07/21/1998 | US5783987 Pyrotechnic high-current safety fuse element |
07/14/1998 | US5781387 To interrupt flow of current to electrical devices |
06/25/1998 | WO1998027564A1 Zero current circuit interruption |
06/24/1998 | CN1185857A Current transformer, in particular for a fault current tripping device sensitive to pulsating currents and tripping device equipped with such a transformer |
06/24/1998 | CN1185646A Earth leakage circuit-breaker |
06/23/1998 | US5771145 Zero current circuit interruption |
06/17/1998 | EP0847587A1 Power circuit-breaker with current transformers and data store |
06/16/1998 | US5767762 Overcurrent relay having a bimetal a resetting member and an accelerating mechanism |
06/09/1998 | US5762180 Retrofit switch actuator |
05/27/1998 | EP0844632A2 Contact arrangement for ground fault circuit interrupter |
05/27/1998 | CN1182968A Breaker with breaker unit and processing, calibration and communication module |
05/26/1998 | US5757597 Ground fault interrupter container combination |
05/26/1998 | US5757254 Earth leakage breaker |
05/20/1998 | EP0843332A1 Circuit breaker having a breaker block and modules for processing, calibration and indication |
05/20/1998 | DE19703973C1 Switching device with under-voltage auxiliary trip e.g. for circuit breaker |
05/13/1998 | CN1181847A Electrical differential protection appts. with a test circuit |
05/06/1998 | CN2280997Y Leakage tripping device |
05/06/1998 | CN2280996Y 电机保护器 Motor protection |
05/06/1998 | CN1180911A Plug-in lock mechanism |
05/06/1998 | CN1180909A Alarm and/or protector for procedure parameter |
05/05/1998 | US5747980 Differential transformer correction by compensation |
04/22/1998 | EP0836743A1 Circuit breaker accessory module actuators |
04/22/1998 | CN2279697Y Circuit breaker with leakage protector |
04/15/1998 | CN1178995A Electric switch device |
04/14/1998 | US5740003 Circuit breaker shunt trip accessory with mechanical override |
04/08/1998 | CN2278295Y Phase-discriminating and amplitude-discriminating pulse type leakage protector |
04/08/1998 | CN1178385A Method and device for regulating hot overload circuit breaker |
04/01/1998 | EP0833357A2 Method for adjusting thermal overload trip device |
03/26/1998 | DE19741173A1 Automatic switch e.g. for LV power distribution circuits |
03/25/1998 | CN2277136Y 保安开关 Security Switch |
03/25/1998 | CN1177219A Electronic device with its input terminal and output terminal on same of its casing |
03/25/1998 | CN1177195A Circuit breaker |
03/24/1998 | US5731561 Power switch with an ARC quenching device |
03/18/1998 | CN2276664Y Electromagnetic leakage and circuit breaker under-voltage action amplifying mechanism |
03/18/1998 | CN1176476A Heat overload protector |
03/11/1998 | EP0828276A2 Thermal overload protection |
03/11/1998 | EP0828270A2 Electrical switch gear |
03/11/1998 | EP0828268A2 Plug-in snap acting mechanism |
03/11/1998 | EP0828267A2 Circuit breaker with forced opening |
03/11/1998 | EP0828266A2 Contact force in auxiliary switches, adjusted without calibration |
03/11/1998 | CN2276198Y AC contactor on-off controller with earth leakage protector |
03/04/1998 | CN2275762Y Automatic disconnection switch for lead accumulator and service life increasing device |
03/04/1998 | CN1175105A Electronic differential circuit breaker |
03/04/1998 | CN1175073A Defferential electric protective device |
03/04/1998 | CN1175072A Breaker |
02/26/1998 | DE19701933C1 Load current interrupter switch for vehicle battery |
02/25/1998 | CN1174436A Earthleakage-current protection device |
02/12/1998 | DE19732882A1 Modified fault current triple-pole circuit-breaker |
02/04/1998 | EP0821830A1 Current transformer, in particular for a fault current tripping device sensitive to pulsating currents and tripping device equipped with such a transformer |
02/03/1998 | US5714940 Bell alarm for system power breaker |
01/22/1998 | WO1998002896A1 Modular automatic electric breaker with optimization of used spaces |
01/21/1998 | CN2273049Y Multifunctional protective switch for electric appliances |
01/21/1998 | CN1171173A Electrical protective switch |